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以辣椒品种中椒7号为试材,研究了沼气肥(沼渣和沼液)在日光温室早春辣椒栽培中的最佳施用方式及效果。结果表明:以沼渣和复合肥为基肥,以沼液作为追肥,能明显改善辣椒植株生物学性状,增加植株分枝量、果实个数以及单果重,提高抗性和辣椒品质。其中以666.7m2基施沼渣1 000 kg、氮磷钾(N∶P∶K=16∶10∶16)复合肥50 kg,追施沼液2 000 kg效果最佳,产量达4 482.24 kg,比对照增产22.63%。
Taking pepper variety Zhongzao 7 as test material, the best application mode and effect of biogas fertilizer (biogas residue and biogas slurry) in hot pepper cultivation in solar greenhouse in early spring were studied. The results showed that using biogas slurry and compound fertilizer as basal fertilizer and biogas slurry as topdressing fertilizer could obviously improve the biological characters of pepper plants and increase plant branching amount, fruit number and fruit weight, and improved resistance and pepper quality. Among them, 1000 kg of biogas residue and 1,000 kg of NPK (N: P: K = 16:10:16) compound fertilizer were applied to the 666.7m2 base, with the best effect of topdressing 2 000 kg of biogas slurry with a yield of 4 482.24 kg, 22.63% increase compared with the control.